diff options
-rw-r--r-- | src/modules/m_remove.cpp | 287 |
1 files changed, 193 insertions, 94 deletions
diff --git a/src/modules/m_remove.cpp b/src/modules/m_remove.cpp index 2232c8fae..ab0f2dbaa 100644 --- a/src/modules/m_remove.cpp +++ b/src/modules/m_remove.cpp @@ -1,9 +1,7 @@ /* Support for a dancer-style /remove command, an alternative to /kick to try and avoid auto-rejoin-on-kick scripts */ /* Written by Om, 25-03-05 */ -using namespace std; - -#include <stdio.h> +#include <sstream> #include <string> #include "users.h" #include "channels.h" @@ -18,119 +16,175 @@ using namespace std; * eg: +h can remove +hv and users with no modes. +a can remove +aohv and users with no modes. */ -static Server *Srv; - -/* This little function just converts a chanmode character (~ & @ & +) into an integer (5 4 3 2 1) */ -/* XXX - this could be handy in the core, so it can be used elsewhere */ -int chartolevel(std::string &privs) +class RemoveBase { - const char* n = privs.c_str(); - - switch (*n) - { - case '~': - return 5; - break; - case '&': - return 4; - break; - case '@': - return 3; - break; - case '%': - return 2; - break; - default: - return 1; - break; - } - return 1; -} - -class cmd_remove : public command_t -{ - public: - cmd_remove () : command_t("REMOVE", 0, 2) + private: + Server* Srv; + bool& supportnokicks; + + protected: + RemoveBase(Server* Me, bool& snk) + : Srv(Me), supportnokicks(snk) { - this->source = "m_remove.so"; - syntax = "<nick> <channel> [<reason>]"; + } + + enum ModeLevel { PEON = 0, HALFOP = 1, OP = 2, ADMIN = 3, OWNER = 4, ULINE = 5 }; + + /* This little function just converts a chanmode character (U ~ & @ & +) into an integer (5 4 3 2 1 0) */ + /* XXX - this could be handy in the core, so it can be used elsewhere */ + ModeLevel chartolevel(const std::string &privs) + { + if(privs.empty()) + { + return PEON; + } + + switch (privs[0]) + { + case 'U': + /* Ulined */ + return ULINE; + case '~': + /* Owner */ + return OWNER; + case '&': + /* Admin */ + return ADMIN; + case '@': + /* Operator */ + return OP; + case '%': + /* Halfop */ + return HALFOP; + default: + /* Peon */ + return PEON; + } } - - void Handle (const char** parameters, int pcnt, userrec *user) + + void Handle (const char** parameters, int pcnt, userrec *user, bool neworder) { + const char* channame; + const char* username; userrec* target; chanrec* channel; - int tlevel, ulevel; - char* dummy; - std::string tprivs, uprivs, reason; + ModeLevel tlevel; + ModeLevel ulevel; + std::ostringstream reason; + std::string protectkey; + std::string founderkey; + bool hasnokicks; + /* Set these to the parameters needed, the new version of this module switches it's parameters around + * supplying a new command with the new order while keeping the old /remove with the older order. + * /remove <nick> <channel> [reason ...] + * /fpart <channel> <nick> [reason ...] + */ + channame = parameters[ neworder ? 0 : 1]; + username = parameters[ neworder ? 1 : 0]; /* Look up the user we're meant to be removing from the channel */ - target = Srv->FindNick(parameters[0]); + target = Srv->FindNick(username); /* And the channel we're meant to be removing them from */ - channel = Srv->FindChannel(parameters[1]); + channel = Srv->FindChannel(channame); /* Fix by brain - someone needs to learn to validate their input! */ if (!target || !channel) { - WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, !target ? parameters[0] : parameters[1]); + WriteServ(user->fd,"401 %s %s :No such nick/channel", user->nick, !target ? username : channame); return; } if (!channel->HasUser(target)) { - Srv->SendTo(NULL,user,"NOTICE "+std::string(user->nick)+" :*** The user "+target->nick+" is not on channel "+channel->name); + WriteServ(user->fd, "NOTICE %s :*** The user %s is not on channel %s", user->nick, target->nick, channel->name); return; } - - /* And see if the person calling the command has access to use it on the channel */ - uprivs = Srv->ChanMode(user, channel); - /* Check what privs the person being removed has */ - tprivs = Srv->ChanMode(target, channel); - - if(pcnt > 2) - reason = "Removed by " + std::string(user->nick) + ":"; - else - reason = "Removed by " + std::string(user->nick); + /* This is adding support for the +q and +a channel modes, basically if they are enabled, and the remover has them set. + * Then we change the @|%|+ to & if they are +a, or ~ if they are +q */ + protectkey = "cm_protect_" + std::string(channel->name); + founderkey = "cm_founder_" + std::string(channel->name); - /* This turns all the parameters after the first two into a single string, so the part reason can be multi-word */ - for (int n = 2; n < pcnt; n++) + if (Srv->IsUlined(user->server) || Srv->IsUlined(user->nick)) { - reason += " "; - reason += parameters[n]; + log(DEBUG, "Setting ulevel to U"); + ulevel = chartolevel("U"); + } + if (user->GetExt(founderkey)) + { + log(DEBUG, "Setting ulevel to ~"); + ulevel = chartolevel("~"); + } + else if (user->GetExt(protectkey)) + { + log(DEBUG, "Setting ulevel to &"); + ulevel = chartolevel("&"); + } + else + { + log(DEBUG, "Setting ulevel to %s", Srv->ChanMode(user, channel).c_str()); + ulevel = chartolevel(Srv->ChanMode(user, channel)); } - - /* This is adding support for the +q and +a channel modes, basically if they are enabled, and the remover has them set. */ - /* Then we change the @|%|+ to & if they are +a, or ~ if they are +q */ - - std::string protect = "cm_protect_" + std::string(channel->name); - std::string founder = "cm_founder_"+std::string(channel->name); - - if (user->GetExt(protect, dummy)) - uprivs = "&"; - if (user->GetExt(founder, dummy)) - uprivs = "~"; - - /* Now it's the same idea, except for the target */ - if (target->GetExt(protect, dummy)) - tprivs = "&"; - if (target->GetExt(founder, dummy)) - tprivs = "~"; - tlevel = chartolevel(tprivs); - ulevel = chartolevel(uprivs); + /* Now it's the same idea, except for the target. If they're ulined make sure they get a higher level than the sender can */ + if (Srv->IsUlined(target->server) || Srv->IsUlined(target->nick)) + { + log(DEBUG, "Setting tlevel to U"); + tlevel = chartolevel("U"); + } + else if (target->GetExt(founderkey)) + { + log(DEBUG, "Setting tlevel to ~"); + tlevel = chartolevel("~"); + } + else if (target->GetExt(protectkey)) + { + log(DEBUG, "Setting tlevel to &"); + tlevel = chartolevel("&"); + } + else + { + log(DEBUG, "Setting tlevel to %s", Srv->ChanMode(target, channel).c_str()); + tlevel = chartolevel(Srv->ChanMode(target, channel)); + } + + hasnokicks = (Srv->FindModule("m_nokicks.so") && channel->IsModeSet('Q')); - /* If the user calling the command is either an admin, owner, operator or a half-operator on the channel */ - if (ulevel > 1) + /* We support the +Q channel mode via. the m_nokicks module, if the module is loaded and the mode is set then disallow the /remove */ + if(!supportnokicks || !hasnokicks || (ulevel == ULINE)) { - /* For now, we'll let everyone remove their level and below, eg ops can remove ops, halfops, voices, and those with no mode (no moders actually are set to 1) */ - if ((ulevel >= tlevel && tlevel != 5) && (!Srv->IsUlined(target->server))) + /* We'll let everyone remove their level and below, eg: + * ops can remove ops, halfops, voices, and those with no mode (no moders actually are set to 1) + * a ulined target will get a higher level than it's possible for a /remover to get..so they're safe. + * Nobody may remove a founder. + */ + if ((ulevel > PEON) && (ulevel >= tlevel) && (tlevel != OWNER)) { - Srv->PartUserFromChannel(target, channel->name, reason); - WriteServ(user->fd, "NOTICE %s :%s removed %s from the channel", channel->name, user->nick, target->nick); - WriteServ(target->fd, "NOTICE %s :*** %s removed you from %s with the message:%s", target->nick, user->nick, channel->name, reason.c_str()); + std::string reasonparam; + + /* If a reason is given, use it */ + if(pcnt > 2) + { + reason << ":"; + + /* Use all the remaining parameters as the reason */ + for(int i = 2; i < pcnt; i++) + { + reason << " " << parameters[i]; + } + + reasonparam = reason.str(); + reason.clear(); + } + + /* Build up the part reason string. */ + reason << "Removed by " << user->nick << reasonparam; + + Srv->PartUserFromChannel(target, channel->name, reason.str()); + WriteChannelWithServ(Srv->GetServerName().c_str(), channel, "NOTICE %s :%s removed %s from the channel", channel->name, user->nick, target->nick); + WriteServ(target->fd, "NOTICE %s :*** %s removed you from %s with the message: %s", target->nick, user->nick, channel->name, reasonparam.c_str()); } else { @@ -139,40 +193,85 @@ class cmd_remove : public command_t } else { - WriteServ(user->fd, "NOTICE %s :*** You do not have access to use /remove on %s", user->nick, channel->name); + /* m_nokicks.so was loaded and +Q was set, block! */ + WriteServ(user->fd, "484 %s %s :Can't remove user %s from channel (+Q set)", user->nick, channel->name, target->nick); } } }; +class cmd_remove : public command_t, public RemoveBase +{ + public: + cmd_remove(Server* Srv, bool& snk) : command_t("REMOVE", 0, 2), RemoveBase(Srv, snk) + { + this->source = "m_remove.so"; + syntax = "<nick> <channel> [<reason>]"; + } + + void Handle (const char** parameters, int pcnt, userrec *user) + { + RemoveBase::Handle(parameters, pcnt, user, false); + } +}; + +class cmd_fpart : public command_t, public RemoveBase +{ + public: + cmd_fpart(Server* Srv, bool snk) : command_t("FPART", 0, 2), RemoveBase(Srv, snk) + { + this->source = "m_remove.so"; + syntax = "<channel> <nick> [<reason>]"; + } + + void Handle (const char** parameters, int pcnt, userrec *user) + { + RemoveBase::Handle(parameters, pcnt, user, true); + } +}; + class ModuleRemove : public Module { cmd_remove* mycommand; + cmd_fpart* mycommand2; + bool supportnokicks; + public: ModuleRemove(Server* Me) - : Module::Module(Me) + : Module::Module(Me) { - Srv = Me; - mycommand = new cmd_remove(); - Srv->AddCommand(mycommand); + mycommand = new cmd_remove(Me, supportnokicks); + mycommand2 = new cmd_fpart(Me, supportnokicks); + Me->AddCommand(mycommand); + Me->AddCommand(mycommand2); + OnRehash(""); } void Implements(char* List) { - List[I_On005Numeric] = 1; + List[I_On005Numeric] = List[I_OnRehash] = 1; } virtual void On005Numeric(std::string &output) { - output = output + std::string(" REMOVE"); + output.append(" REMOVE"); + } + + virtual void OnRehash(const std::string&) + { + ConfigReader conf; + + supportnokicks = conf.ReadFlag("remove", "supportnokicks", 0); } virtual ~ModuleRemove() { + delete mycommand; + delete mycommand2; } virtual Version GetVersion() { - return Version(1,0,0,1,VF_VENDOR); + return Version(1,0,1,0,VF_VENDOR); } }; |